Weather forecast for tomorrow
Penn, PA

On Friday, in Penn, storms with thunder and lightning and rainy weather are also expected in the afternoon.
Minimal precipitation is predicted for tomorrow. A stark contrast will be evident between the daytime peak temperature of a tropical 87.8°F (31°C) and the nighttime low of an enjoyable 60.8°F (16°C).
The maximum heat index, which combines relative humidity and air temperature, is appraised at a tropical 89.6°F (32°C). Take into consideration that the heat index values are calculated for shade and light wind conditions.
It will be hotter, and the highest temperature will be more in line with June's average maximum of 77.7°F (25.4°C) than May's of 71.1°F (21.7°C).
Sunrise will be at 6:14 am and sunset at 8:16 pm; tomorrow's daylight will last for 14h and 2min.

Tomorrow, on Friday, weather will be unstable, and a mix of cloudy, sunny, stormy and rainy weather is anticipated.
Rainfall is expected from 5 pm to 11 pm. With light precipitation of 0.08" (2mm), most rainfall is expected at 9 pm.
The temperature will vary between a minimum of 59°F (15°C) and a maximum of 86°F (30°C). The warmest part of the day will be around 4 pm.
The maximum temperature will be more comparable to June's average highest temperature of 77.7°F (25.4°C) than May's average of 71.1°F (21.7°C). The lowest temperature will be also more comparable to June's average minimum of 56.7°F (13.7°C) than the average minimum of 50°F (10°C) in May.

---